The Seven-Diamonds Co. established by the goal of producing some kind of galvanized steel sheets, Cold Rolled, Stainless Steel in 1996.The Constructive Operations begun in 2001 and established in 2003 with the annual nominal capacity of 10000 tons of Galvanized sheets with 0.3 to 2 mm Thickness and 1000,1250 Width.The Galvanized products of this Corporation respond to 15 Percent of internal Markets and about to 20 to 40 Percent of Global Markets.